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Major Depressive Disorder clinical trials in Denver, CO

6 studies for Major Depressive Disorder are looking for participants at sites in and around Denver (within about 30 miles). Open a study to see who can join and how to contact the study team.

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A Phase 3 Trial of DT120 for Major Depressive Disorder (Ascend)

RecruitingPhase 3
  • Mountain View Clinical Research, Inc, Denver
Ages 18 to 74 · All sexes · Updated Nov 9, 2026 · NCT07592689

ACP-211 Monotherapy for Major Depressive Disorder With Inadequate Antidepressant Response

RecruitingPhase 2
  • Mountain View Clinical Research, Denver
Ages 18 to 65 · All sexes · Updated Nov 5, 2026 · NCT07284667

Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms

RecruitingPhase 3
  • Mountain View Clinical Research, Denver
Ages 18 to 74 · All sexes · Updated Nov 3, 2026 · NCT06559306

Double-blind, Placebo-controlled Study in Adults With Major Depressive Disorder

RecruitingPhase 2
  • Mountain View Clinical Research, Denver
Ages 18 to 70 · All sexes · Updated Oct 28, 2026 · NCT07226661

Study of ALTO-300 in MDD

RecruitingPhase 2
  • Site 343, Denver
Ages 18 to 70 · All sexes · Updated Oct 26, 2026 · NCT05922878

Zelquistinel or Placebo for the Reduction of Symptoms of Major Depressive Disorder

RecruitingPhase 2
  • Mountain View Clinical Research, Denver
Ages 18 to 64 · All sexes · Updated Aug 3, 2026 · NCT06547489

Major Depressive Disorder trials in other cities

Other studies in Denver

From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.